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3541a9053f
* Update to LibHac 0.4.1 Updates the IFile Read and Write methods to use any specified ReadOption and WriteOption * Move casts around
116 lines
3.1 KiB
C#
116 lines
3.1 KiB
C#
using LibHac.Fs;
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using Ryujinx.HLE.HOS.Ipc;
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using System;
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using System.Collections.Generic;
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namespace Ryujinx.HLE.HOS.Services.FspSrv
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{
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class IFile : IpcService, IDisposable
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{
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private Dictionary<int, ServiceProcessRequest> _commands;
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public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => _commands;
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private LibHac.Fs.IFile _baseFile;
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public event EventHandler<EventArgs> Disposed;
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public string Path { get; private set; }
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public IFile(LibHac.Fs.IFile baseFile, string path)
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{
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_commands = new Dictionary<int, ServiceProcessRequest>
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{
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{ 0, Read },
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{ 1, Write },
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{ 2, Flush },
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{ 3, SetSize },
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{ 4, GetSize }
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};
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_baseFile = baseFile;
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Path = LibHac.Fs.PathTools.Normalize(path);
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}
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// Read(u32 readOption, u64 offset, u64 size) -> (u64 out_size, buffer<u8, 0x46, 0> out_buf)
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public long Read(ServiceCtx context)
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{
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long position = context.Request.ReceiveBuff[0].Position;
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ReadOption readOption = (ReadOption)context.RequestData.ReadInt32();
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context.RequestData.BaseStream.Position += 4;
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long offset = context.RequestData.ReadInt64();
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long size = context.RequestData.ReadInt64();
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byte[] data = new byte[size];
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int readSize = _baseFile.Read(data, offset, readOption);
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context.Memory.WriteBytes(position, data);
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context.ResponseData.Write((long)readSize);
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return 0;
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}
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// Write(u32 writeOption, u64 offset, u64 size, buffer<u8, 0x45, 0>)
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public long Write(ServiceCtx context)
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{
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long position = context.Request.SendBuff[0].Position;
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WriteOption writeOption = (WriteOption)context.RequestData.ReadInt32();
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context.RequestData.BaseStream.Position += 4;
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long offset = context.RequestData.ReadInt64();
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long size = context.RequestData.ReadInt64();
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byte[] data = context.Memory.ReadBytes(position, size);
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_baseFile.Write(data, offset, writeOption);
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return 0;
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}
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// Flush()
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public long Flush(ServiceCtx context)
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{
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_baseFile.Flush();
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return 0;
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}
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// SetSize(u64 size)
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public long SetSize(ServiceCtx context)
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{
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long size = context.RequestData.ReadInt64();
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_baseFile.SetSize(size);
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return 0;
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}
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// GetSize() -> u64 fileSize
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public long GetSize(ServiceCtx context)
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{
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context.ResponseData.Write(_baseFile.GetSize());
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return 0;
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}
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public void Dispose()
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{
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Dispose(true);
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}
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protected virtual void Dispose(bool disposing)
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{
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if (disposing && _baseFile != null)
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{
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_baseFile.Dispose();
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Disposed?.Invoke(this, EventArgs.Empty);
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}
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}
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}
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} |